Seema Jain, Wesley H Self, Richard G Wunderink, Sherene Fakhran, Robert Balk, Anna M Bramley, Carrie Reed, Carlos G Grijalva, Evan J Anderson, D Mark Courtney, James D Chappell, Chao Qi, Eric M Hart, Frank Carroll, Christopher Trabue, Helen K Donnelly, Derek J Williams, Yuwei Zhu, Sandra R Arnold, Krow Ampofo, Grant W Waterer, Min Levine, Stephen Lindstrom, Jonas M Winchell, Jacqueline M Katz, Dean Erdman, Eileen Schneider, Lauri A Hicks, Jonathan A McCullers, Andrew T Pavia, Kathryn M Edwards, Lyn Finelli
BACKGROUND: Community-acquired pneumonia is a leading infectious cause of hospitalization and death among U.S. adults. Incidence estimates of pneumonia confirmed radiographically and with the use of current laboratory diagnostic tests are needed. METHODS: We conducted active population-based surveillance for community-acquired pneumonia requiring hospitalization among adults 18 years of age or older in five hospitals in Chicago and Nashville. Patients with recent hospitalization or severe immunosuppression were excluded...
July 30, 2015: New England Journal of Medicine